8421820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{38281}}^1$

素因数の和:38301

約数の個数: 24

約数和(自身を含む): 19294128

約数和(自身を除く): 10872308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 38281, 76562, 153124, 191405, 382810, 421091, 765620, 842182, 1684364, 2105455, 4210910, 8421820]

約数ペア:

[(1, 8421820), (2, 4210910), (4, 2105455), (5, 1684364), (10, 842182), (11, 765620), (20, 421091), (22, 382810), (44, 191405), (55, 153124), (110, 76562), (220, 38281)]